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Fig. 5 | Surgical Case Reports

Fig. 5

From: Rapidly progressed neuroendocrine carcinoma in the extrahepatic bile duct: a case report and review of the literature

Fig. 5

Microscopic findings of the resected specimen with Hematoxylin-Eosin (HE) staining. a An NEC lesion was observed below the submucosal layer (b). An adenocarcinoma lesion was detected in the surface layer (c). The tumor partly showed squamous cell carcinoma (d). b NEC cells were dysplastic cells with a high N/C ratio and granular hyperchromatic irregular-shaped nuclei. c Adenocarcinoma lesion. d Squamous cell carcinoma lesion

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